KSZ8895RQ Просмотр технического описания (PDF) - Micrel
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KSZ8895RQ Datasheet PDF : 118 Pages
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Micrel, Inc.
KSZ8895MQ/RQ/FMQ
Register 253 (0xFD): Port 5 Queue 2 Egress Limit Control 3 ................................................................................87
Register 190 (0xBE) : Port 1 Queue 3 Egress Limit Control 4 ...............................................................................88
Register 206 (0xCE) : Port 2 Queue 3 Egress Limit Control 4 ...............................................................................88
Register 222 (0xDE) : Port 3 Queue 3 Egress Limit Control 4 ...............................................................................88
Register 238 (0xEE): Port 4 Queue 3 Egress Limit Control 4 ................................................................................88
Register 254 (0xFE): Port 5 Queue 3 Egress Limit Control 4 ................................................................................88
Data Rate Selection Table in 100BT ..........................................................................................................................89
Data Rate Selection Table in 10BT ............................................................................................................................89
Register 191(0xBF): Testing Register ....................................................................................................................90
Register 207(0xCF): Reserved Control Register...................................................................................................90
Register 223(0xDF): Test Register 2......................................................................................................................90
Register 239(0xEF): Test Register 3 ......................................................................................................................90
Register 255(0xFF): Testing Register4 ..................................................................................................................90
Static MAC Address Table ...........................................................................................................................................91
VLAN Table ....................................................................................................................................................................93
Dynamic MAC Address Table ......................................................................................................................................95
MIB (Management Information Base) Counters .........................................................................................................96
MIIM Registers ...............................................................................................................................................................99
Register 0h: MII Control ..............................................................................................................................................99
Register 1h: MII Status .............................................................................................................................................100
Register 2h: PHYID HIGH ........................................................................................................................................100
Register 3h: PHYID LOW .........................................................................................................................................100
Register 4h: Advertisement Ability............................................................................................................................100
Register 5h: Link Partner Ability ...............................................................................................................................101
Register 1dh: Reserved ...........................................................................................................................................101
Register 1fh: PHY Special Control/Status ................................................................................................................101
Absolute Maximum Ratings(1) ....................................................................................................................................103
Operating Ratings(2) ....................................................................................................................................................103
Electrical Characteristics(4, 5)......................................................................................................................................103
Timing Diagrams .........................................................................................................................................................105
EEPROM Timing.......................................................................................................................................................105
SNI Timing ................................................................................................................................................................106
MII Timing .................................................................................................................................................................107
RMII Timing...............................................................................................................................................................109
SPI Timing ................................................................................................................................................................110
Auto-Negotiation Timing ...........................................................................................................................................112
MDC/MDIO Timing....................................................................................................................................................113
Reset Timing.............................................................................................................................................................114
Reset Circuit Diagram...............................................................................................................................................115
Selection of Isolation Transformer(1) .........................................................................................................................116
Selection of Reference Crystal ..................................................................................................................................116
Package Information ...................................................................................................................................................117
January 22, 2013
10
Revision 1.6
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